f2b05d6438
- xbps_repository_pool_find_pkg in best match case, now returns the newest package version available in rpool. - Added xbps_repository_pool_find_pkg_exact that returns a package by exact matching a pkgver. - Removed xbps_handle_alloc(), the user is free to use memory allocated from heap or stack. - Improved API documentation in preparation for 0.12. Bumped XBPS_API_VERSION again.
380 lines
9.8 KiB
C
380 lines
9.8 KiB
C
/*-
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* Copyright (c) 2009-2011 Juan Romero Pardines.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include "xbps_api_impl.h"
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/**
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* @file lib/transaction_ops.c
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* @brief Transaction package handling routines
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* @defgroup repo_pkgs Transaction package handling functions
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*
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* The following image shows off the full transaction dictionary returned
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* by xbps_transaction_prepare().
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*
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* @image html images/xbps_transaction_dictionary.png
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*
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* Legend:
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* - <b>Salmon bg box</b>: The transaction dictionary.
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* - <b>White bg box</b>: mandatory objects.
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* - <b>Grey bg box</b>: optional objects.
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* - <b>Green bg box</b>: possible value set in the object, only one of them
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* will be set.
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*
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* Text inside of white boxes are the key associated with the object, its
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* data type is specified on its edge, i.e string, array, integer, dictionary.
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*/
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enum {
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TRANS_INSTALL = 1,
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TRANS_UPDATE
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};
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static int
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transaction_find_pkg(const char *pattern, int action)
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{
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prop_dictionary_t pkg_regpkgdb, pkg_repod = NULL;
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prop_dictionary_t transd;
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prop_array_t mdeps, unsorted;
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const char *pkgname, *pkgver, *repoloc, *repover, *instver, *reason;
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int rv = 0;
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bool bypattern, bestpkg;
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pkg_state_t state = 0;
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assert(pattern != NULL);
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if (action == TRANS_INSTALL) {
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/* install */
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bypattern = true;
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bestpkg = false;
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reason = "install";
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} else {
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/* update */
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pkg_regpkgdb = xbps_find_pkg_dict_installed(pattern, false);
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if (pkg_regpkgdb == NULL) {
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rv = ENODEV;
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goto out;
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}
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bypattern = false;
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bestpkg = true;
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reason = "update";
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}
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/*
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* Find out if the pkg has been found in repository pool.
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*/
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pkg_repod = xbps_repository_pool_find_pkg(pattern,
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bypattern, bestpkg);
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if (pkg_repod == NULL) {
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if (!bestpkg) {
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pkg_repod = xbps_repository_pool_find_virtualpkg(
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pattern, bypattern, bestpkg);
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}
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if (pkg_repod == NULL) {
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/* not found */
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rv = errno;
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errno = 0;
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goto out;
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}
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}
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prop_dictionary_get_cstring_nocopy(pkg_repod, "pkgver", &pkgver);
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prop_dictionary_get_cstring_nocopy(pkg_repod, "repository", &repoloc);
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prop_dictionary_get_cstring_nocopy(pkg_repod, "pkgname", &pkgname);
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if (bestpkg) {
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/*
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* Compare installed version vs best pkg available in repos.
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*/
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prop_dictionary_get_cstring_nocopy(pkg_regpkgdb,
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"version", &instver);
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prop_dictionary_get_cstring_nocopy(pkg_repod,
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"version", &repover);
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prop_object_release(pkg_regpkgdb);
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if (xbps_cmpver(repover, instver) <= 0) {
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xbps_dbg_printf("[rpool] Skipping `%s' "
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"(installed: %s) from repository `%s'\n",
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pkgver, instver, repoloc);
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rv = EEXIST;
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goto out;
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}
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}
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/*
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* Prepare transaction dictionary and missing deps array.
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*/
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if ((transd = xbps_transaction_dictionary_get()) == NULL) {
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rv = EINVAL;
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goto out;
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}
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if ((mdeps = xbps_transaction_missingdeps_get()) == NULL) {
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rv = EINVAL;
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goto out;
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}
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/*
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* Prepare required package dependencies and add them into the
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* "unsorted" array in transaction dictionary.
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*/
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if (xbps_pkg_has_rundeps(pkg_repod)) {
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rv = xbps_repository_find_pkg_deps(transd, mdeps, pkg_repod);
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if (rv != 0)
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goto out;
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}
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/*
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* Set package state in dictionary with same state than the
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* package currently uses, otherwise not-installed.
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*/
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if ((rv = xbps_pkg_state_installed(pkgname, &state)) != 0) {
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if (rv != ENOENT)
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goto out;
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/* Package not installed, don't error out */
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state = XBPS_PKG_STATE_NOT_INSTALLED;
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}
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if ((rv = xbps_set_pkg_state_dictionary(pkg_repod, state)) != 0)
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goto out;
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if (state == XBPS_PKG_STATE_UNPACKED)
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reason = "configure";
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else if (state == XBPS_PKG_STATE_NOT_INSTALLED ||
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state == XBPS_PKG_STATE_HALF_UNPACKED)
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reason = "install";
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/*
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* Set transaction obj in pkg dictionary to "install", "configure"
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* or "update".
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*/
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if (!prop_dictionary_set_cstring_nocopy(pkg_repod,
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"transaction", reason)) {
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rv = EINVAL;
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goto out;
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}
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/*
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* Add required package dictionary into the unsorted array.
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*/
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unsorted = prop_dictionary_get(transd, "unsorted_deps");
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if (unsorted == NULL) {
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rv = EINVAL;
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goto out;
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}
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/*
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* Add the pkg dictionary from repository's index dictionary into
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* the "unsorted" array in transaction dictionary.
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*/
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if (!prop_array_add(unsorted, pkg_repod)) {
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rv = errno;
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goto out;
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}
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xbps_dbg_printf("%s: added into the transaction (%s).\n",
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pkgver, repoloc);
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out:
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if (prop_object_type(pkg_repod) == PROP_TYPE_DICTIONARY)
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prop_object_release(pkg_repod);
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return rv;
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}
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static int
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update_pkgs_cb(prop_object_t obj, void *arg, bool *done)
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{
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const char *pkgname;
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bool *newpkg_found = arg;
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int rv = 0;
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(void)done;
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prop_dictionary_get_cstring_nocopy(obj, "pkgname", &pkgname);
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rv = xbps_transaction_update_pkg(pkgname);
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if (rv == 0)
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*newpkg_found = true;
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else if (rv == ENOENT || rv == EEXIST || rv == ENODEV) {
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/*
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* missing pkg or installed version is greater than or
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* equal than pkg in repositories.
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*/
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rv = 0;
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}
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return rv;
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}
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int
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xbps_transaction_update_packages(void)
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{
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bool newpkg_found = false;
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int rv;
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rv = xbps_regpkgdb_foreach_pkg_cb(update_pkgs_cb, &newpkg_found);
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if (!newpkg_found)
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rv = EEXIST;
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return rv;
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}
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int
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xbps_transaction_update_pkg(const char *pkgname)
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{
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return transaction_find_pkg(pkgname, TRANS_UPDATE);
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}
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int
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xbps_transaction_install_pkg(const char *pkgpattern)
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{
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return transaction_find_pkg(pkgpattern, TRANS_INSTALL);
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}
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int
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xbps_transaction_remove_pkg(const char *pkgname, bool recursive)
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{
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prop_dictionary_t transd, pkgd;
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prop_array_t mdeps, orphans, orphans_pkg, unsorted, reqby;
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prop_object_t obj;
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const char *pkgver;
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size_t count;
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int rv = 0;
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assert(pkgname != NULL);
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if ((pkgd = xbps_regpkgdb_get_pkgd(pkgname, false)) == NULL) {
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/* pkg not installed */
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return ENOENT;
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}
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/*
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* Prepare transaction dictionary and missing deps array.
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*/
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if ((transd = xbps_transaction_dictionary_get()) == NULL) {
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rv = ENXIO;
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goto out;
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}
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if ((mdeps = xbps_transaction_missingdeps_get()) == NULL) {
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rv = ENXIO;
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goto out;
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}
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unsorted = prop_dictionary_get(transd, "unsorted_deps");
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if (!recursive)
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goto rmpkg;
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/*
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* If recursive is set, find out which packages would be orphans
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* if the supplied package were already removed.
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*/
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orphans_pkg = prop_array_create();
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if (orphans_pkg == NULL) {
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rv = ENOMEM;
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goto out;
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}
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prop_array_set_cstring_nocopy(orphans_pkg, 0, pkgname);
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orphans = xbps_find_pkg_orphans(orphans_pkg);
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prop_object_release(orphans_pkg);
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if (prop_object_type(orphans) != PROP_TYPE_ARRAY) {
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rv = EINVAL;
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goto out;
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}
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count = prop_array_count(orphans);
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while (count--) {
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obj = prop_array_get(orphans, count);
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prop_dictionary_get_cstring_nocopy(obj, "pkgver", &pkgver);
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prop_dictionary_set_cstring_nocopy(obj, "transaction", "remove");
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prop_array_add(unsorted, obj);
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xbps_dbg_printf("%s: added into transaction (remove).\n", pkgver);
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}
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prop_object_release(orphans);
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rmpkg:
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/*
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* Add pkg dictionary into the unsorted_deps array.
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*/
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prop_dictionary_get_cstring_nocopy(pkgd, "pkgver", &pkgver);
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prop_dictionary_set_cstring_nocopy(pkgd, "transaction", "remove");
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prop_array_add(unsorted, pkgd);
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xbps_dbg_printf("%s: added into transaction (remove).\n", pkgver);
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reqby = prop_dictionary_get(pkgd, "requiredby");
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/*
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* If target pkg is required by any installed pkg, the client must be aware
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* of this to take appropiate action.
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*/
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if ((prop_object_type(reqby) == PROP_TYPE_ARRAY) &&
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(prop_array_count(reqby) > 0))
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rv = EEXIST;
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out:
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prop_object_release(pkgd);
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return rv;
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}
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int
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xbps_transaction_autoremove_pkgs(void)
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{
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prop_dictionary_t transd;
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prop_array_t orphans, mdeps, unsorted;
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prop_object_t obj;
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const char *pkgver;
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size_t count;
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int rv = 0;
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orphans = xbps_find_pkg_orphans(NULL);
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if (prop_object_type(orphans) != PROP_TYPE_ARRAY)
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return EINVAL;
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count = prop_array_count(orphans);
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if (count == 0) {
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/* no orphans? we are done */
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rv = ENOENT;
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goto out;
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}
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/*
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* Prepare transaction dictionary and missing deps array.
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*/
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if ((transd = xbps_transaction_dictionary_get()) == NULL) {
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rv = ENXIO;
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goto out;
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}
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if ((mdeps = xbps_transaction_missingdeps_get()) == NULL) {
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rv = ENXIO;
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goto out;
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}
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/*
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* Add pkg orphan dictionary into the unsorted_deps array.
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*/
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unsorted = prop_dictionary_get(transd, "unsorted_deps");
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while (count--) {
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obj = prop_array_get(orphans, count);
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prop_dictionary_get_cstring_nocopy(obj, "pkgver", &pkgver);
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prop_dictionary_set_cstring_nocopy(obj,
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"transaction", "remove");
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prop_array_add(unsorted, obj);
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xbps_dbg_printf("%s: added into transaction (remove).\n",
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pkgver);
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}
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out:
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if (prop_object_type(orphans) == PROP_TYPE_ARRAY)
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prop_object_release(orphans);
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return rv;
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}
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